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Head-to-head · Transactional Email Software

Twilio SendGrid vs Mailgun

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Twilio SendGrid #1 in Transactional Email Software 9.3/10 From $19.95/mo · 60-day trial ✓ 1 of 2 features Try Twilio SendGrid
Mailgun #4 in Transactional Email Software 7.7/10 Free plan · 30-day trial Free plan✓ 1 of 2 features Visit Mailgun

Twilio SendGrid leads on 0 checks, Mailgun on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTwilio SendGrid · 9.3/10
  • Free planonly Mailgun

Twilio SendGrid scores higher on our rubric for transactional email software: 9.3 against 7.7 out of 10; our editors rank them #1 and #4.

Mailgun offers free plan; Twilio SendGrid doesn't.

Twilio SendGrid is the better fit for established developers needing broad SDK coverage. Mailgun is the better fit for mature API-first email teams.

  • Twilio SendGrid fits best

    Established developers needing broad SDK coverage

  • Mailgun fits best

    Mature API-first email teams

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Twilio SendGrid 9.3/10 Visit ↗ Mailgun 7.7/10 Visit ↗
At a glance
Editor score 9.3 7.7
Ranking #1 in Transactional Email Software #4 in Transactional Email Software
Best for Established developers needing broad SDK coverage Mature API-first email teams
Pricing model Paid Free plan + paid
Starting price $19.95/mo Not published
Free plan — ✓ (best)
Free trial — —
Free trial length 60 days · no card needed 30 days
Deployment Cloud Cloud
Platforms Web Web
Features Twilio SendGrid 1/2 · Mailgun 1/2
Event webhooks Not published Not published
Dedicated IP option ✓ ✓
Specs
Delivery methods Not published Not published
Template options Not published Not published
Delivery log retention Not published Not published
Monthly send limit Not published 10000 emails/mo
Our review
Pros
  • REST API, SMTP relay, and official libraries for seven languages
  • Inbound parsing and event webhooks cover two-way email workflows
  • Templates, analytics, shared IPs, and dedicated IPs support delivery operations
  • RESTful API, SMTP relay, inbound routing, and delivery webhooks
  • Templates, analytics, logs, and suppression management support core workflows
  • Dedicated IP pools, SAML SSO, and live support are available on Scale
Cons
  • No free plan beyond the 60-day trial
  • Paid pricing varies by monthly volume and selected features
  • Dedicated IP availability starts with the Pro plan
  • The Free plan limits sending to 100 emails per day
  • One custom sending domain and one inbound route are included on Free
  • Advanced features such as dedicated IP pools require the Scale plan
Our verdict

Twilio SendGrid is a cloud email delivery service for developers and organizations sending transactional or application email. Its core delivery options include a RESTful Email API and SMTP relay, while dynamic templates, personalization…

Read the review →

Mailgun is a developer-oriented email delivery platform for teams sending transactional and marketing messages through web interfaces and APIs. Its core offering combines a RESTful email API, SMTP relay, inbound email routing,…

Read the review →
  1. Twilio SendGridTransactional Email Software 9.3From $19.95/mo · 60-day trial
  2. MailgunTransactional Email Software 7.7Free plan · 30-day trial

Strengths and trade-offs

  • Twilio SendGrid — where it wins

    • REST API, SMTP relay, and official libraries for seven languages
    • Inbound parsing and event webhooks cover two-way email workflows
    • Templates, analytics, shared IPs, and dedicated IPs support delivery operations

    Where it doesn't

    • No free plan beyond the 60-day trial
    • Paid pricing varies by monthly volume and selected features
    • Dedicated IP availability starts with the Pro plan
  • Mailgun — where it wins

    • RESTful API, SMTP relay, inbound routing, and delivery webhooks
    • Templates, analytics, logs, and suppression management support core workflows
    • Dedicated IP pools, SAML SSO, and live support are available on Scale

    Where it doesn't

    • The Free plan limits sending to 100 emails per day
    • One custom sending domain and one inbound route are included on Free
    • Advanced features such as dedicated IP pools require the Scale plan
  • Twilio SendGrid9.3/10 · From $19.95/mo · 60-day trial

    A developer-focused email service with APIs, SMTP, templates, webhooks, and inbound parsing.

    Try Twilio SendGridFull verdict →
  • Mailgun7.7/10 · Free plan · 30-day trial

    A mature API-first platform for transactional sending, routing, tracking, and deliverability.

    Visit MailgunFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update